"Off-link source" means the source exists on the different L2
network.  In other words, source is connected via router(s).

          ethernet             firewire
  Host -------------- Router ------------ Host


O.k., understood. But the receiving router verifies the checksum of incoming packets and sends them on the firewire link. On firewire we have CRC checksums to ensure the integrity of packets.

I agree with your patch but I don't see why we should check them in the driver. I thought your patch will ensure that the checksums will be verified in the upper layers.

Stephan
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